Adjustable glass hot-bending mould
An adjustable and glass technology, applied in the field of mold manufacturing, can solve the problems of poor surface quality, affecting surface quality, high mold cost, etc., and achieve the effects of long service life, high molding quality and high surface quality
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[0016] Example 1
[0017] The chemical composition of the D-type graphite cast iron of this embodiment is as follows: 3.0wt% C, 0.9wt% Si, 1.2wt% Mn, 2.0wt% Cu, 0.22wt% Ti, 0.05 Cr, 0.03wt% , 0.02wt% of P, 0.01wt% of S, the balance is Fe and unavoidable impurities. The cast iron raw materials are melted in an intermediate frequency induction electric furnace according to the ratio, and the molten iron is overheated. The temperature of the molten iron is measured by a thermocouple and the temperature of the molten iron is adjusted to 1500~1550℃; Si-Fe inoculant is used to inoculate the molten iron, and the particle size of the inoculant It is 3~5mm, and the added amount is 0.3wt% of molten iron. In actual operation, it should be ensured that the inoculant can be fully and evenly dissolved in the molten metal in the ladle. After the operation is completed, slag can be removed and then poured. The molten iron pouring temperature is 1300~1350℃, the annealing temperature is 800℃, and...
Example Embodiment
[0018] Example 2
[0019] The chemical composition of the D-type graphite cast iron of this embodiment is as follows: 3.2wt% of C, 0.65wt% of Si, 1.0wt% of Mn, 1.8wt% of Cu, 0.12wt% of Ti, 0.08 of Cr, 0.05 of Al , 0.02wt% P, 0.01wt% S, the balance is Fe and inevitable impurities. The cast iron raw materials are melted in an intermediate frequency induction electric furnace according to the ratio, and the molten iron is overheated. The temperature of the molten iron is measured by a thermocouple and the temperature of the molten iron is adjusted to 1500~1550℃; Si-Fe inoculant is used to inoculate the molten iron, and the particle size of the inoculant It is 3~5mm, and the added amount is 0.3wt% of molten iron. In actual operation, it should be ensured that the inoculant can be fully and evenly dissolved in the molten metal in the ladle. After the operation is completed, slag can be removed and then poured. The molten iron pouring temperature is 1300~1350℃, the annealing temperatu...
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